1121862048 has 24 divisors (see below), whose sum is σ = 2944888128. Its totient is φ = 373953984.

The previous prime is 1121862047. The next prime is 1121862067. The reversal of 1121862048 is 8402681211.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (1121862043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5842936 + ... + 5843127.

It is an arithmetic number, because the mean of its divisors is an integer number (122703672).

Almost surely, 2^1121862048 is an apocalyptic number.

It is an amenable number.

1121862048 is an abundant number, since it is smaller than the sum of its proper divisors (1823026080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121862048 is a wasteful number, since it uses less digits than its factorization.

1121862048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11686076 (or 11686068 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 1121862048 is about 33494.2091711388. The cubic root of 1121862048 is about 1039.0740179896.

The spelling of 1121862048 in words is "one billion, one hundred twenty-one million, eight hundred sixty-two thousand, forty-eight".